Vehicle Tech The latest Vehicle Tech breaking news, comment, reviews and features from the experts at T3 TomTom blames 'leap year bug' for sat nav issues Blame for on-going sat nav malfunctions placed on 'leap year bug' by manufacturer Homer Simpson the world's most popular Sat Nav voice Guinness World Records recognise Homer Simpson as the most downloaded sat nav voice By Luke Johnson Published 13 February 12 1 2 3 4 5